Flowmaster flo818159 - Outlaw Axle-Back Exhaust System

Flowmaster introduces our Outlaw Axle-back exhaust system for the 2024-2026 Ford Mustang GT with the 5.0-liter engine or EcoBoost 2.3-liter engine and the factory performance exhaust option. This system uses the Outlaw style mufflers for an aggressive exhaust tone and increased performance. Maximum dyno gains of up to 17 hp and 17 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Quad 4.00-inch black ceramic coated tips are used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty. Fits 2024-2026 Ford Mustang GT 5.0-liter and EcoBoost 2.3-liter, Outlaw Axle-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Black Quad Tips with Valves

• 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
• 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
• Outlaw series performance muffler offers a deep powerful sound and increased performance
• Max increases of up to 17 hp and 17 lb-ft over the stock exhaust at the rear wheels
• Quad 4.00-inch black ceramic coated stainless steel tips add a custom look
• Includes all necessary hardware for an at home installation
• Uses factory hanger locations for easy installation
• Lifetime Limited Warranty

Brief Description

The Flowmaster Outlaw Axle-Back exhaust system is designed for 2024–2026 Ford Mustang GT models with the 5.0-liter engine or EcoBoost models with the 2.3-liter engine and factory performance exhaust. It features Outlaw-style mufflers, valve functionality, 3.00-inch mandrel-bent 409 stainless steel tubing, and quad 4.00-inch black ceramic-coated tips. The system fits both coupe and convertible models and uses factory mounting locations for installation.

Key Features & Performance Benefits

• Outlaw Series Mufflers: Delivers a deep, powerful exhaust tone with increased performance.
• Mandrel-Bent Tubing: The 3.00-inch tubing helps maintain exhaust flow for improved power.
• Dyno-Tested Gains: Maximum gains of up to 17 horsepower and 17 lb-ft of torque were measured at the rear wheels over the stock exhaust.
• Durable Construction: 409 stainless steel tubing and black ceramic-coated stainless steel tips provide durability and a custom appearance.

Key Product Specifications & Technical Data

• Brand: Flowmaster
• Part Number: flo818159
• System Type: Outlaw axle-back exhaust system
• Tubing Size: 3.00 inches
• Tubing Construction: 16-gauge mandrel-bent 409 stainless steel
• Exhaust Tips: Quad 4.00-inch black ceramic-coated stainless steel tips
• Engine Applications: 5.0-liter GT and 2.3-liter EcoBoost
• Warranty: Lifetime Limited Warranty

What's Included in the Box

The system includes the Outlaw axle-back exhaust components and all necessary installation hardware. It uses factory hanger locations for installation.

Fitment

Fits 2024–2026 Ford Mustang GT 5.0-liter and EcoBoost 2.3-liter models with the factory performance exhaust option, including coupes and convertibles.

Fitments:
2024 Ford Mustang Dark Horse
2024 Ford Mustang Dark Horse Premium
2024 Ford Mustang EcoBoost
2024 Ford Mustang EcoBoost Premium
2024 Ford Mustang GT
2024 Ford Mustang GT Premium
2025 Ford Mustang Dark Horse
2025 Ford Mustang Dark Horse Premium
2025 Ford Mustang EcoBoost
2025 Ford Mustang EcoBoost Premium
2025 Ford Mustang GT
2025 Ford Mustang GT Premium
2026 Ford Mustang Dark Horse
2026 Ford Mustang EcoBoost
2026 Ford Mustang EcoBoost Premium
2026 Ford Mustang GT
2026 Ford Mustang GT Premium

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1